Mobile phone or portion thereof with graphical user interface



FIG. 1 is a front view of a mobile phone or portion thereof with graphical user interface, showing a first embodiment of our new design; and,

FIG. 2 is a front view of a mobile phone or portion thereof with graphical user interface, showing a second embodiment of our new design.

The outermost broken lines illustrate a mobile phone or portion thereof and form no part of the claimed design. The remaining broken lines illustrate portions of the graphical user interface and form no part of the claimed design. 

CLAIM The ornamental design for a mobile phone or portion thereof with graphical user interface, substantially as shown and described. 